WO2010085915A1 - Procédé, dispositif et système permettant de détecter la qualité des signaux - Google Patents

Procédé, dispositif et système permettant de détecter la qualité des signaux Download PDF

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Publication number
WO2010085915A1
WO2010085915A1 PCT/CN2009/070340 CN2009070340W WO2010085915A1 WO 2010085915 A1 WO2010085915 A1 WO 2010085915A1 CN 2009070340 W CN2009070340 W CN 2009070340W WO 2010085915 A1 WO2010085915 A1 WO 2010085915A1
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WO
WIPO (PCT)
Prior art keywords
carrier
tested
target
information
signal quality
Prior art date
Application number
PCT/CN2009/070340
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English (en)
Chinese (zh)
Inventor
于映辉
宋巍巍
马慧
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN2009801239036A priority Critical patent/CN102138349B/zh
Priority to PCT/CN2009/070340 priority patent/WO2010085915A1/fr
Publication of WO2010085915A1 publication Critical patent/WO2010085915A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, device and system for detecting signal quality.
  • a user equipment In a wireless communication system, a user equipment (User Equipment, UE) detects a signal quality of a neighboring cell using the carrier according to carrier information transmitted by the network side.
  • a carrier aggregation system such as a long-term evolution advance (LTE-A) system
  • LTE-A long-term evolution advance
  • a multi-cell a set of such a plurality of cells is called a cell set, and when the UE performs signal quality detection on the cell set, it is required to detect all carriers used by the cell set, so that the detection load of the UE is large, and the UE consumes The power is large.
  • Embodiments of the present invention provide a method, an apparatus, and a system for detecting a signal quality, which can reduce a detection burden of a UE on a signal quality of a cell set of a carrier aggregation system, and save detection resources.
  • a signal quality detection method which is applied to a carrier aggregation system, includes: sending, to a user equipment, a message carrying one or more carrier group information to be tested, where the message is used to indicate that the user terminal is from the one or more carrier groups to be tested.
  • the target carrier is selected from the included carriers to be tested, and the signal quality of the neighboring cell set in which the target carrier is located is detected.
  • a method for detecting a signal quality which is applied to a carrier aggregation system, includes: receiving, by a base station, a message that carries more than one carrier group information to be tested; selecting a target carrier from each carrier group to be tested; The signal quality of the adjacent cell set is detected.
  • a base station used in a carrier aggregation system, includes:
  • a sending unit configured to send, to the user equipment, a message that carries one or more carrier group information to be tested, The message is used to indicate that the user equipment selects a target carrier from the to-be-measured carriers included in the one or more tested carrier groups, and detects a signal quality of the neighboring cell set in which the target carrier is located.
  • a user terminal which is applied in a carrier aggregation system, and includes:
  • a receiving unit configured to receive, by the base station, a message that carries one or more carrier group information to be tested; and an acquiring unit, configured to select a target carrier from each of the to-be-measured carrier groups received by the receiving unit;
  • a signal quality detection system is applied to a carrier aggregation system, and includes a base station, configured to communicate with a user terminal, where the base station is further configured to send, to the user equipment, a message carrying one or more carrier group information to be tested, where the message is used by the message And instructing the user terminal to select a target carrier from the to-be-measured carriers included in the one or more tested carrier groups, and detect a signal quality of the neighboring cell set in which the target carrier is located.
  • the base station can send the to-be-tested carrier used by the neighboring cell in the carrier aggregation system to the user terminal in the form of one or more carrier group information to be tested, by the user
  • the terminal selects the target carrier from each carrier group to be tested, and measures the signal quality of the neighboring cell set where the target carrier is located, and solves the problem that the prior art user terminal needs to measure the quality of each carrier signal used by the neighboring cell. , causing problems such as measurement burden and large power consumption.
  • the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.
  • FIG. 1 is a flowchart of a method for detecting a signal quality according to another embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for detecting a signal quality according to another embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a signal quality detection method according to another embodiment of the present invention shown in FIG. 4 is a schematic diagram 2 of a carrier used by a neighboring cell set aggregation in a signal quality detecting method according to another embodiment of the present invention shown in FIG. 2;
  • FIG. 5 is a schematic diagram 3 of a carrier used for aggregation of adjacent cells in a method for detecting signal quality according to another embodiment of the present invention shown in FIG. 2;
  • FIG. 6 is a schematic diagram 4 of a carrier used for aggregation of neighboring cells in a method for detecting signal quality according to another embodiment of the present invention shown in FIG. 2;
  • FIG. 7 is a schematic diagram 5 of a carrier used for aggregation of neighboring cells in a method for detecting signal quality according to another embodiment of the present invention shown in FIG. 2;
  • FIG. 8 is a flowchart of step 205 in the method for detecting signal quality according to another embodiment of the present invention shown in FIG. 2;
  • FIG. 9 is a flowchart of a method for detecting a signal quality according to still another embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram 1 of a user terminal according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram 2 of a user terminal according to an embodiment of the present invention. detailed description
  • the embodiment of the present invention provides a signal quality detection method, Devices and systems.
  • the method for detecting a signal quality is applied to a carrier aggregation system, and includes: sending, to a user equipment, a message carrying one or more carrier group information to be tested, indicating that the user terminal is from the one or more carrier groups to be tested.
  • the target carrier is selected from the included carriers to be tested, and the signal quality of the neighboring cell set in which the target carrier is located is detected.
  • the method for detecting the signal quality provided by the embodiment of the present invention can send the to-be-tested carrier used by the neighboring cell set in the carrier aggregation system to the user terminal in the form of one or more carrier group information to be tested, and instruct the user terminal to Selecting a target carrier in the carrier group to be tested, where the target carrier is located
  • the signal quality of the neighboring cell set is measured, which solves the problem that the prior art user terminal needs to measure the quality of each carrier signal used by the neighboring cell set, resulting in a measurement burden and a large power consumption.
  • the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.
  • another embodiment of the present invention further provides a method for detecting a signal quality, which is applied in a carrier aggregation system, and includes:
  • Step 101 Receive, by the base station, a message that carries one or more carrier group information to be tested.
  • Step 102 Select a target carrier from each carrier group to be tested.
  • Step 103 Detect a signal quality of a neighboring cell set where the target carrier is located.
  • the method for detecting a signal quality can select a target carrier from each carrier group to be tested according to one or more carrier group information to be tested sent by the base station, and select a signal of a neighboring cell set where the target carrier is located.
  • the quality is measured, which solves the problem that the prior art user terminal needs to measure the quality of each carrier signal used by the adjacent cell set, resulting in a measurement burden and a large power consumption.
  • the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.
  • a signal quality detection method is applied to a carrier aggregation system, including:
  • Step 201 The base station groups the carriers to be tested of the neighboring cell set to obtain one or more carrier groups to be tested.
  • the base station may group the carriers to be tested according to the frequency characteristics of the carrier to be tested and the associated cell set. E.g:
  • the carrier F1 to be tested is not used for aggregation in any cell set adjacent to the current serving cell set (or the camped cell set) of the UE, the carrier F1 to be tested is separately divided into one carrier group to be tested; All the neighboring cells in the cell set (or camped cell set) are aggregated and used. Multiple carriers, such as carrier F2, carrier F3, and carrier F4. At this time, if the frequency characteristics of carrier F2, carrier F3, and carrier F4 are similar, the base station may divide the carrier F2, carrier F3, and carrier F4 into the same one.
  • carrier F2 and carrier F3 and carrier F4 are different, for example, carrier F2 and carrier F3 belong to the same band, carrier F4 belongs to another band, and the frequency difference between the two bands is large, the base station can The carrier F2 and the carrier F3 are divided into one carrier group to be tested, and the carrier F4 is divided into another carrier group to be tested;
  • the aggregated cell set (Cell Set 1 and Cell Set 2) is also aggregated using the carrier F5, and the frequency characteristics of the carrier F5 and the carrier F2, the carrier F3 and the carrier F4 are similar, and the base station can use the carrier F2, the carrier F3, and the carrier F4.
  • the carrier F5 is divided into the same carrier group to be tested, and the carrier F2, the carrier F3, and the carrier F4 may be divided into the same carrier group to be tested, and the carrier F5 is divided into another carrier group to be tested;
  • the aggregated cell set (Cell Set 2) also uses the carrier F6, and the cells of some single carriers also use the carrier F6, and the frequency characteristics of the carrier F6 and the carrier F2, the carrier F3 and the carrier F4 are similar, and the base station can use the carrier F2.
  • F3, F4, and F6 are divided into the same carrier group to be tested.
  • the carriers F2, F3, and F4 can be divided into the same carrier group to be tested, and the carrier F6 is divided into another carrier group to be tested.
  • the carrier F2 uses the carrier F5 and the carrier F6, and the frequency characteristics of the carriers F2 to F6 are similar, the base station can divide the carrier F2, the carrier F3 and the carrier F4 into the same carrier group to be tested, and the carrier F5 and carrier F6 are divided into another carrier group to be tested;
  • the carrier F2 and the carrier F3 are used, wherein a part of the cell set (small The cluster 1 and the cell set 2) are also aggregated using the carrier F1, the partial cell set (cell set 4) is also aggregated using the carrier F4 and the carrier F5, and the frequency characteristics of the carrier F1 to the carrier F5 are similar, and the base station can transmit the carrier F1 to carrier F5 are divided into the same carrier group to be tested;
  • carrier F2 and carrier F3 are used, wherein a part of the cell set ( The cell set 1 and the cell set 2) are also aggregated using the carrier F1, the partial cell set (cell set 4) is also aggregated using the carrier F4 and the carrier F5, and the other partial cell set (cell set 5) is aggregated using the carrier F4 and the carrier F5, and
  • the frequency characteristics of the carrier F1 to the carrier F5 are similar, and the base station may divide the carrier F1 to the carrier F5 into the same carrier group to be tested, or divide the carriers F1 to F3 into one carrier group to be tested, and the carrier F4 and the carrier. F5 is divided into another carrier group to be tested;
  • the base station may further group the carriers to be tested in the neighboring cells by other methods, and the details are not described herein.
  • Step 202 The base station sends a message carrying the one or more carrier group information to be tested to the UE, which may be divided into two cases:
  • the base station sends a message carrying the one or more carrier group information to be tested to the UE in the idle state, where the message carrying one or more carrier group information to be tested may be a system message.
  • the carrier group information to be tested may be carried in the measurement carrier group information list of the system message; or, if the system message carries the carrier information of the current cell, the carrier group information to be tested may be carried in In the to-be-tested carrier group information indication bit of the system message, in the embodiment, the to-be-tested carrier group information indication bit is represented by 1 bit, indicating whether the to-be-tested carrier information included in the to-be-tested carrier group is related to the current cell.
  • the carrier information is the same, for example, 0 indicates the same, and 1 indicates the difference. If the carrier information to be tested in the carrier group to be tested is different from the carrier information of the current cell, the system message also needs to carry the carrier group information list.
  • the carrier group information list may carry the carrier information to be tested, and the to-be-tested carrier information may be carried in a one-to-one list, or if the system carries the carrier information of the current cell, The carrier information to be measured may also be different from the carrier information of the current cell.
  • the carrier information list may further carry the carrier group to be tested or the priority information of the carrier to be tested, the target/non-target carrier indication information, the carrier where the neighboring cell is to be tested, the cell identifier, and the like.
  • Kind or combination for example:
  • the base station divides the carrier F2, the carrier F3, the carrier F4, and the carrier F5 into the same carrier group to be tested.
  • the carrier group information list that is sent by the base station to the UE needs to carry the target for the carrier F5/ Non-target carrier indication information, indicating that the carrier F5 is a non-target carrier by the target/non-target carrier indication information;
  • the base station divides the carrier F1 to the carrier F5 into the same carrier group to be tested in step 201, at this time, due to the carrier Fl, the carrier F4, and the carrier F5 do not include all the neighboring cell sets of the current serving cell set (or the camped cell set) of the UE, so the carrier F1 and the carrier F4 are also required in the carrier group information list sent by the base station to the UE.
  • the carrier F5 carries the target/non-target carrier indication information
  • the target/non-target carrier indication information indicates that the carrier F1, the carrier F4, and the carrier F5 are non-target carriers, or because the carriers F2 and F3 include the current serving cell set of the UE (or All the neighboring cell sets of the camped cell set), so that the carrier F2 and/or the carrier F3 may carry the target/non-target carrier indication information in the carrier group information list sent by the base station to the UE, by using the target/non-target
  • the target carrier indication information indicates that the carrier F2 and/or the carrier F3 are target carriers;
  • the neighboring cell set of the current serving cell set (or the camping cell set) of the UE is as shown in FIG. 7, and the base station divides the carrier F1 to the carrier F5 into the same carrier group to be tested in step 201, at this time, due to the UE
  • the majority of the neighboring cell sets of the current serving cell set (or the camped cell set) include the carriers F2 and F3, so the carrier group information list sent by the base station to the UE may also carry the target for the carrier F2 and/or the carrier F3.
  • the carrier F2 and/or the carrier F3 are the target carriers by the target/non-target carrier indication information, and, because the cell set 5 only includes the carriers F4 and F5, the carrier group sent by the base station to the UE
  • the information list also needs to be carried for carrier F4 and / or F5
  • the neighboring cell set carrier and/or the identifier to be tested, such as the identifier of the cell set 5, indicates that the UE measures the signal quality of the carrier F4 and/or F5 of the cell set 5;
  • the target/non-target carrier indication information may be represented by lbit, where 0 may represent a non-target carrier, and 1 may represent a target carrier.
  • the carrier group information list described above carries the information
  • the base station may carry other related information in the carrier group information list according to actual needs, and this is not performed in each case. .
  • the LTE-A UE can reside in the cell where the LTE-A carrier is located, or can reside in the cell where the LTE carrier is located. However, the LTE UE can only reside on the LTE carrier.
  • the cell in which the cell is located in order to be able to reserve the LTE carrier resource for the LTE UE, the base station needs to instruct the LTE-A UE not to measure the signal quality of the LTE carrier, or instruct the LTE-A UE to preferentially measure the signal quality of the LTE-A carrier. .
  • the system message may also carry the LTE carrier information indication and/or the LTE carrier.
  • Priority modification policy information The LTE carrier information indication that is involved in the aggregation may be used to indicate that the LTE-A UE does not select the carrier as the target carrier, that is, the signal quality measurement is not performed on the carrier; the priority modification policy information of the LTE carrier is used to indicate the LTE-
  • the A UE preferentially selects the LTE-A carrier for signal quality measurement, and the priority modification policy information of the LTE carrier may be lower priority information set by the base station for the LTE carrier in advance, or may be preset to reduce the LTE carrier priority. Adjust the value.
  • the base station sends a message carrying the one or more carrier group information to be tested to the UE in the active state, where the message carrying more than one carrier group information to be tested may be dedicated signaling, such as radio resource control connection reconfiguration.
  • the carrier group information to be tested may also be carried in a carrier group information list and/or to be tested.
  • the specific implementation method refer to the case where the base station sends a message carrying the one or more carrier group information to be tested to the UE in the idle state, and details are not described herein again.
  • the carrier group information list may carry the carrier information to be tested, and the carrier information to be tested may be carried in a one-to-one enumeration manner, or may only carry carrier information that is different from the carrier information of the current cell;
  • the carrier group information list may also carry the measurement bandwidth of the carrier group to be tested.
  • the carrier group list may also carry other information related to signal quality measurement, and one case is not performed here.
  • Step 203 The UE receives a message that is sent by the base station and carries one or more carrier group information to be tested.
  • the UE when the UE is in an idle state, the UE may acquire one or more carrier group information to be tested by monitoring system information in the broadcast; when the UE is in an active state, the UE may receive one or more carriers that are actively sent by the base station.
  • the dedicated signaling of the carrier group information to be tested may also be requested by the base station to obtain the dedicated signaling that carries more than one carrier group information to be tested, and details are not described herein.
  • Step 204 The UE selects one or more carriers from each carrier group to be tested as a target carrier, and may be divided into two cases:
  • the UE may select a target carrier from each of the tested carrier groups by any one of the following methods:
  • the carrier group information to be tested includes the priority information of the carrier to be tested, the carrier with the highest priority is selected as the target carrier;
  • the target carrier is selected according to the target/non-target carrier indication information, specifically, if the target/non-target carrier indication information of a certain tested carrier is 0. , that is, the carrier is a non-target carrier, and one or more of the other carriers to be tested in the carrier group to be tested are selected as the target carrier. If the target/non-target carrier indication information of a carrier to be tested is 1, If the carrier is a target carrier, the carrier carrier to be tested is selected;
  • the carrier group to be measured carries an indication of LTE carrier information participating in aggregation
  • the carrier to be tested other than the LTE carrier participating in the aggregation is the target carrier;
  • the modified priority information is obtained according to the priority modification policy information of the LTE carrier, and the carrier with the highest priority is selected as the target carrier;
  • the UE may also select a target carrier from each carrier group to be tested by other means, for example: selecting a target carrier by modulating the number of carriers to be tested in a carrier group to be measured by using the UE identifier. Or, if the carrier currently camped by the UE is included in the carrier group to be tested, the carrier currently camped by the UE is selected as the target carrier.
  • the UE may specifically select a target carrier from each carrier group to be tested according to a preset selection policy.
  • the UE may pre-store a selection policy, and select a target carrier according to the selection policy.
  • the UE may also store multiple selection policies in advance, and select one of the selection policies according to the indication of the base station, and select a target carrier according to the selection policy, and the UE further
  • the selection strategy can be obtained directly from the base station, and the target carrier is selected according to the selection strategy.
  • the UE may select the target carrier from each carrier group to be tested by any one of the following methods:
  • Selecting a carrier to be tested in the range of the received bandwidth of the UE as the target carrier where the carrier to be tested in the range of the received bandwidth of the UE may be a carrier in the carrier group to be tested that has the same carrier frequency or similar frequency characteristics as the UE receives and transmits data. It may also be a carrier or the like that does not require the UE to measure within a specific detection time (the UE cannot transmit service data during the detection time, measure Gap);
  • the LTE-A carrier is selected as the target carrier.
  • the UE in the active state may also select the target carrier by other means, and details are not described herein.
  • the UE may also select a target carrier from each carrier group to be tested according to a preset selection policy.
  • a target carrier from each carrier group to be tested according to a preset selection policy.
  • the network side may set a default measurement carrier for the UE.
  • the UE in the idle state also needs to acquire the measurement carrier, and select the measurement carrier.
  • the wave is the target carrier.
  • the method for acquiring the measurement carrier by the UE in the idle state may include two types: one is: the UE acquires the preset measurement carrier from pre-stored measurement carrier information; The receiving network side sends the UE-specific measurement carrier list, and obtains measurement carrier information from the list.
  • the measurement carrier list may notify the UE by dedicated signaling through the idle state UE paging area update process.
  • the UE may also obtain measurement carrier information by other means, and no comment is made here.
  • Step 205 The UE measures a signal quality of a neighboring cell set where the target carrier is located. As shown in Figure 8, when in the idle state, it includes:
  • Step 801 The UE determines whether it is required to perform signal quality detection on the target carrier. For example, the UE may determine, according to the priority of the target carrier or the carrier group, whether to perform signal quality detection on the target carrier, if the target carrier or carrier group If the priority of the carrier is higher than the priority of the carrier, the signal quality of the target carrier needs to be detected. Otherwise, the signal quality is not detected. For example, the UE can determine whether the target carrier is based on the signal quality of the current cell. The signal quality is detected. If the signal quality of the current cell is lower than the preset signal quality threshold, the signal quality of the target carrier is detected, otherwise the signal quality of the target carrier is not measured.
  • the UE may also determine whether it is necessary to perform signal quality detection on the target carrier according to the combination of the foregoing two methods, or determine by other means. , here is not done for each case - repeat.
  • Step 802 If there is a cell set on the target carrier, the UE measures the signal quality of the target carrier.
  • the UE may directly measure the signal quality of the target carrier. If the UE is in an active state, the bandwidth of the carrier aggregation cell is generally higher than the bandwidth of the ordinary single carrier cell. For example, the maximum bandwidth of the LTE-A cell is 100 M, and the maximum bandwidth of the LTE cell is 20 M. To meet the bandwidth requirement of the carrier aggregation cell, a larger signal quality measurement bandwidth can be set in advance, for example, 100 RB.
  • the band bandwidth information of the group and/or the corresponding relationship between the band bandwidth of the carrier group and the band measurement bandwidth, and a larger signal quality measurement bandwidth set in advance is selected, and the signal quality of the adjacent cell set where the target carrier is located is detected.
  • the UE may stop in the carrier group to be tested where the target carrier is located.
  • the UE may perform the signal quality detection on any of the carriers to be tested, and the UE may perform step 204 again, select another target carrier from the carrier group to be tested, and continue measurement.
  • the UE may perform corresponding operations according to the signal quality detection result of the target carrier, such as cell reselection or cell handover.
  • the signal quality detection result of the target carrier needs to be reported to the base station, where the base station Perform corresponding operations on the UE.
  • the step 203 may further include the step of the UE determining whether to select the LTE carrier as the target carrier. Specifically, if the UE determines that the detection result of the LTE-A carrier signal quality is lower than the preset signal quality detection threshold, the UE selects the LTE carrier as the target carrier; or if the UE determines that the signal quality detection result of the current serving cell is lower than the pre-determination
  • the signal quality detection threshold is set, and the UE selects an LTE carrier as the target carrier, where the signal quality detection threshold information may be obtained from the network side to the dedicated signaling sent by the UE.
  • the UE may also determine whether to select the LTE carrier as the target carrier by other means, and this is not done in each case.
  • the base station can divide the carrier to be tested used by the neighboring cell set in the carrier aggregation system into one or more carrier groups to be tested according to the frequency characteristic and the belonging cell, and the carrier group to be tested The carrier characteristics of the carrier to be tested are similar.
  • the UE only needs to select one or more target carriers from each carrier group to be tested, and the signal quality of the target carrier is measured.
  • the target is The signal quality of the carrier can be approximated as the signal quality of other carriers to be tested in the carrier group to be tested, which reduces the detection load of the UE, saves the detection resources, improves the detection efficiency, and solves the problem that the prior art UE needs to be adjacent.
  • the quality of each carrier signal used by the cell set is measured, causing problems such as measurement burden and large power consumption.
  • a further embodiment of the present invention further provides a method for detecting a signal quality. As shown in FIG. 9, the method includes:
  • Step 901 The base station groups the carriers to be tested in the neighboring cell set to obtain one or more carrier waves to be tested.
  • the base station groups the carriers to be tested in the neighboring cell set to obtain one or more carrier waves to be tested.
  • Step 902 The base station selects a target carrier from each carrier group to be tested.
  • the specific implementation method may be as described in step 204 shown in FIG. 2, and details are not described herein.
  • Step 903 The base station sends a message carrying the target carrier information to the UE, including: if the UE is in an idle state, the base station sends a system message to the UE, where the system message carries the frequency information of the target carrier, or the priority Information, or the adjacent cell set carrier and/or identification to be tested;
  • the base station If the UE is in an active state, the base station sends dedicated signaling to the UE, and carries the frequency information of the target carrier in the dedicated signaling, or measures the bandwidth and the like.
  • Step 904 The UE receives the message carrying the target carrier information, and measures the signal quality of the neighboring cell set where the target carrier is located. For the specific implementation method, refer to step 205 shown in FIG. 2, where No longer.
  • the base station can divide the carrier to be tested used by the neighboring cell set in the carrier aggregation system into one or more carrier groups to be tested according to the frequency characteristic and the belonging cell, and Selecting a target carrier in the carrier group, instructing the UE to measure the signal quality of the target carrier. Since the characteristics of the carrier to be tested in the carrier group to be tested are similar, the signal quality of the target carrier can be approximated as other to be tested in the carrier group to be tested.
  • the signal quality of the carrier reduces the detection load of the UE, saves the detection resources, improves the detection efficiency, and solves the problem that the prior art UE needs to measure the quality of each carrier signal used by the neighboring cell set, thereby causing a measurement burden and Power consumption and other issues.
  • an embodiment of the present invention further provides a base station, which is applied in a carrier aggregation system, and includes:
  • the sending unit 1001 is configured to send, to the user equipment, the information that carries more than one carrier group information to be tested. And the message is used to indicate that the user equipment selects a target carrier from the to-be-measured carriers included in the one or more tested carrier groups, and detects a signal quality of the neighboring cell set in which the target carrier is located.
  • step 202 shown in FIG. 2 the specific sending method of the sending unit 1001 can be referred to as step 202 shown in FIG. 2, and details are not described herein.
  • the base station may further include:
  • the grouping unit 1002 is configured to divide the to-be-tested carrier into more than one carrier group to be tested according to the frequency characteristic of the carrier to be tested and the cell to which the carrier is to be tested.
  • the method for the specific grouping of the carrier to be tested by the grouping unit 1002 is as described in step 201 shown in FIG. 2, and details are not described herein.
  • the base station provided by the embodiment of the present invention can send the to-be-tested carrier used by the neighboring cell set in the carrier aggregation system to the user terminal in the form of one or more carrier group information to be tested, and instruct the user terminal to use each carrier group to be tested.
  • the target carrier is selected, and the signal quality of the neighboring cell where the target carrier is located is measured, which solves the problem that the prior art user terminal needs to measure the quality of each carrier signal used by the neighboring cell set, resulting in measurement burden and power consumption.
  • the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.
  • the embodiment of the present invention further provides a user terminal, which is applied in a carrier aggregation system, and includes:
  • the receiving unit 1101 is configured to receive, by the base station, a message that carries one or more carrier group information to be tested;
  • the acquiring unit 1102 is configured to select a target carrier from each of the tested carrier groups received by the receiving unit 1101.
  • the detecting unit 1103 is configured to detect a signal quality of a neighboring cell set where the target carrier is located.
  • the obtaining unit 1102 may be configured to: if the user terminal is in an idle state, select a target carrier from each tested carrier group by using any one of the following methods: If the carrier group information to be tested includes the priority information of the carrier to be tested, the carrier with the highest priority is selected as the target carrier.
  • the carrier group information to be tested includes target/non-target carrier indication information, selecting a target carrier according to the target/non-target carrier indication information,
  • the carrier to be tested other than the long-term evolution carrier participating in the aggregation is selected as the target carrier.
  • the carrier group to be tested includes a carrier that the current user camps on, the carrier to be tested is selected as a target carrier.
  • the modified priority information is obtained according to the priority modification policy information of the long-term evolved carrier, and the carrier with the highest priority is selected as the target carrier;
  • the target carrier is selected from each of the tested carrier groups by any one or combination of the following:
  • the long-term evolution enhanced carrier is selected as the target carrier.
  • the user terminal may further include:
  • the determining unit 1104 is configured to determine whether the long-term evolution carrier is selected as the target carrier. For the specific implementation, refer to step 204 shown in FIG. 2, which is not described herein.
  • the acquiring unit 1102 is further configured to acquire a preset measurement carrier, and select the measurement carrier as a target carrier.
  • the specific implementation method refer to step 204 shown in FIG. 2 . As shown, it will not be described here.
  • the detecting unit 1103 may be specifically configured to detect, according to a signal quality measurement bandwidth of a preset carrier aggregation system, a signal quality of a neighboring cell where the target carrier is located, and the specific implementation method can be seen in FIG. 2 The steps shown in step 205 are not described here.
  • the user terminal provided by the embodiment of the present invention can be based on one or more carriers to be tested sent by the base station. Group information, selecting a target carrier from each carrier group to be tested, and measuring signal quality of the neighboring cell set where the target carrier is located, and solving each carrier signal that the prior art user terminal needs to use for the neighboring cell The quality is measured, causing problems such as measurement burden and large power consumption. According to the technical solution provided by the embodiment of the present invention, the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.
  • the embodiment of the present invention further provides a signal quality detection system, which is used in a carrier aggregation system, and includes: a base station, configured to communicate with a user terminal, where the base station is further configured to send, to the user terminal, one or more carrier groups to be tested. And a message of the information, the message is used to indicate that the user equipment selects a target carrier from the to-be-tested carriers included in the one or more tested carrier groups, and detects a signal quality of the neighboring cell set in which the target carrier is located.
  • a signal quality detection system which is used in a carrier aggregation system, and includes: a base station, configured to communicate with a user terminal, where the base station is further configured to send, to the user terminal, one or more carrier groups to be tested. And a message of the information, the message is used to indicate that the user equipment selects a target carrier from the to-be-tested carriers included in the one or more tested carrier groups, and detects a signal quality of the neighboring cell set in which the target carrier
  • the base station can send the to-be-tested carrier used by the neighboring cell set in the carrier aggregation system to the user terminal in the form of one or more carrier group information to be tested, and the user terminal
  • the target carrier is selected in the carrier group to be tested, and the signal quality of the neighboring cell where the target carrier is located is measured, which solves the problem that the prior art user terminal needs to measure the quality of each carrier signal used by the adjacent cell set, thereby causing measurement.
  • the burden and the problem of large power consumption According to the technical solution provided by the embodiment of the present invention, the user terminal only needs to measure the signal quality of the target carrier in the carrier group to be tested, reduces the measurement burden, saves resources, and improves the measurement speed.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé, un dispositif et un système permettant de détecter la qualité des signaux dans le domaine des communications, dans le but de réduire la charge de détection et la consommation d'énergie importantes imposées à un équipement utilisateur UE du fait de la nécessité de détecter la qualité des signaux de chaque porteuse utilisée par un regroupement de cellules adjacentes dans un système à regroupement de porteuses. Le procédé selon l'invention comprend les étapes suivantes : la réception d'un message porteur d'informations relatives à au moins deux groupes de porteuses à détecter, envoyé par une station de base (101) ; la sélection d'une porteuse cible parmi chaque groupe de porteuses à détecter (102) ; la détection de la qualité des signaux du groupement de cellules adjacentes auquel appartient la porteuse cible (103). Le mode de réalisation de l'invention trouve une application dans un système à regroupement de porteuses.
PCT/CN2009/070340 2009-02-02 2009-02-02 Procédé, dispositif et système permettant de détecter la qualité des signaux WO2010085915A1 (fr)

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CN2009801239036A CN102138349B (zh) 2009-02-02 2009-02-02 信号质量的检测方法、装置和系统
PCT/CN2009/070340 WO2010085915A1 (fr) 2009-02-02 2009-02-02 Procédé, dispositif et système permettant de détecter la qualité des signaux

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CN113938961A (zh) * 2020-06-29 2022-01-14 北京小米移动软件有限公司 信息上报的控制方法，装置及存储介质

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